Vanity sink combination



FIG. 1 is a perspective view of the vanity sink combination of the subject invention;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The broken line representations are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a vanity sink combination, as shown and described. 